Home / 118,358.24-177,538.88-66,100.16

Finding the Fourth Proportional to 118,358.24, 177,538.88 and 66,100.16

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Solution

The fourth proportional to 118,358.24, 177,538.88 and 66,100.16 is: 99,151.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,358.24 : 177,538.88 = 66,100.16 : x
  2. Step 2: Convert to fraction form
    118,358.24/177,538.88 = 66,100.16/x
  3. Step 3: Cross multiply
    118,358.24x = 177,538.88 × 66,100.16
  4. Step 4: Simplify right side
    118,358.24x = 11,735,348,374.22
  5. Step 5: Solve for x
    x = 11,735,348,374.22/118,358.24
  6. Step 6: Final answer
    x = 99,151.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.